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TDK B25620B0557K881 MKP DC Film Capacitor, 550 µF, 900 VDC
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$70.00 USD
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The TDK B25620B0557K881 is a high-power MKP DC film capacitor designed for demanding power electronic applications such as inverters, motor drives, and DC-link circuits. It features a dry-type, non-PCB polyurethane resin filling and a robust aluminum case with an M12 mounting stud. This capacitor offers high current handling, low ESR, and a long service life expectancy of 100,000 hours at +75°C.
Key Features
- High Power Density: Compact design with high capacitance and voltage ratings.
- Low Loss: Very low dielectric dissipation factor (tan δ) of 2 x 10-4.
- High Ripple Current: Capable of handling high RMS and peak currents.
- Robust Construction: Aluminum case with M12 stud for secure mounting, suitable for high-vibration environments.
- Long Service Life: 100,000 hours at +75°C hotspot temperature and rated voltage.
- Wide Temperature Range: Operational from -55°C to +85°C.
- Safety Compliant: Certified to UL 810 5th Edition (File E183224).
Technical Specifications
| Product ID / Ordering Code | B25620B0557K881 |
| Brand | TDK |
| Series / Type | MKP DC |
| Rated Capacitance (CR) | 550 µF |
| Capacitance Tolerance | K (±10%) |
| Rated DC Voltage (VRDC) | 900 VDC |
| Maximum RMS Current (IMAX) | 50 A |
| Surge Current (Is) | 8.3 kA |
| Peak Current (Î) | 2.8 kA |
| ESR @ 1 kHz (Typical) | 2.3 mΩ |
| Self Inductance (Lself) | ≤ 40 nH |
| Thermal Resistance (RTH) | 2.8 K/W |
| Case Diameter (D) | 85 mm |
| Case Height (HC) | 132 mm |
| Total Height (HT) | 138 mm |
| Terminal Type / Spacing | Female M6 / 32 ±0.5 mm |
| Weight (Typical) | 0.84 kg |
| Operating Temperature Range | -55°C to +85°C |
| Service Life Expectancy | 100,000 h at Ths +75°C & VRDC |
| Dielectric Dissipation Factor (tan δ) | 2 • 10-4 |
| Mounting Torque (Terminal) | 5 Nm (Female M6) |
| Mounting Torque (Case Stud) | 10 Nm (M12) |
| Safety Standard | UL 810 5th Ed (File E183224) |
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